December · Australia
Best time to visit Whitsunday Islands in December Weather, crowds & prices
Weather in Whitsunday Islands in December
Average temperature 27°C, 174 mm of rain, about 31 days with 6+ hours of sunshine and 75% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
7.4/10
Ranked #10 of 12 months
- Avg temp
- 27°C
- Rainfall
- 174 mm
- Humidity
- 75%
- Days with 6h+ sun
- 31
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
December in Whitsunday Islands scores 7.4/10 for beach and coastal travel - ranked #10 of 12. Expect around 27°C, 174 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.
The Whitsundays scatter white-sand isles and Hill Inlet swirls-yacht charters from Airlie Beach. Best window: the drier months outside peak monsoon.
December in Whitsunday Islands — reliably good (10th best month)
Days in December average 27°C (81°F) and humidity near 75% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
174 mm of rain makes this a wet month here, though with about 31 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 7.4/10 on the same scale — 10th of 12 months, versus 9.7/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Budget for mid-season pricing, and crowds are moderate.
If your dates are flexible, September is materially better in Whitsunday Islands — 2.3 points higher on the same scale.
Frequently asked
- What is the weather like in Whitsunday Islands in December?
- In December, Whitsunday Islands averages 27°C, 174 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 7.4/10.
- Is December a good time to visit Whitsunday Islands?
- December earns a 7.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Whitsunday Islands in December?
- Expect about 174 mm of rain in December. Average humidity is 75% and there are about 31 days with 6+ hours of sunshine.
Curated in Whitsunday Islands
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Whitsunday Islands, Australia. Live activities and tours from GetYourGuide, matched to this destination.